[openssl/openssl] 42f111: s390: Add new machine generation

[Tomas Mraz]

  Branch: refs/heads/master
  Home:   https://github.openssl.org/openssl/openssl
  Commit: 42f111ad41141e2ecd67f0a6954625a5ad01890b
      https://github.openssl.org/openssl/openssl/commit/42f111ad41141e2ecd67f0a6954625a5ad01890b
  Author: Juergen Christ <jchrist at linux.ibm.com>
  Date:   2022-04-12 (Tue, 12 Apr 2022)

  Changed paths:
    M crypto/s390xcap.c
    M doc/man3/OPENSSL_s390xcap.pod

  Log Message:
  -----------
  s390: Add new machine generation

Allow to specify "z16" as machine generation in environment variable
OPENSSL_s390xcap.  It is an alias for "z15".

Signed-off-by: Juergen Christ <jchrist at linux.ibm.com>

Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18054)